Turbo 350 transmission cooler flow. Right now I have it running top line in transmission going to top fitting in my aluminum spectra radiator. A GM Turbo 350 transmission diagram can help you understand the inner workings and identify different parts of this popular automatic transmission. com: 6AN 70" Transmission Fluid Oil Cooler Hose Line kit for GM Chevy Transmission 4L80E TH350 TH400 4L60E 700R4 200-4R TR6060 Ford AOD 4R100 4R70W and C5 Stainless Steel Braided PTFE Hose : AutomotiveAbout this item 【Application】 Universal for any use with AN6 adapter fitting. A new dip stick transmission in brand new CCSS Films 1. Apr 26, 2010 · Guys, quick easy question for one of yaOn the side of a TH350, which brass fitting is the cooler feed, and which is the return? And I have to assume that the feed goes to the top fitting on the aluminum radiator? Please help, Thanks! Explore the Turbo 350 transmission diagram, detailing components, their functions, and how they interact to ensure smooth vehicle performance. Learn about the TH350 transmission schematic and how it works. I have a question about the routing of the trans lines from the trans to the radiator connections. The converter employed electronic converters to make the transmission and vehicle more fuel efficient when it moved at highway speeds. This transmission oil cooler bypass valve is designed to regulate the flow and temperature of the transmission fluid to ensure proper operating temperature of the transmission on specified vehicles. Jul 18, 2022 · About this item For Models: Various transmission coolers as 700R4/4L60, TH350/CBC350, TH400/3L80. Universal for any use with AN6 adapter fitting. They have a series of plates stacked on top of each other, and the transmission fluid flows through the small passages between the plates. Nov 27, 2016 · Which way does the transmission fluid flow in and out of the transmission and radiator? Ive read that the fluid returns to the transmission from the top of the radiator against gravity, and the other way around. com Jan 14, 2023 · My 1970 Chassis Service Manual on page 7-30 (Clutch and Transmissions) has a photo of the passenger side of the TH350. I want to get the transmission fluid up to operating temp before going through the axillary cooler. Cooler then back to Trans and why you ran them the way you did? Seams as a lot of different ways to run the lines from the Jan 12, 2014 · Looking for info on Operating pressure and temperature for TH350 transmission. It is known for its durability and simplicity, making it a popular choice for hot rods, muscle cars, and off-road vehicles. And that’s the transmission cooler flow direction. Jan 14, 2019 · 73 Nova / 2-door /350 engine / TH350 Auto Trans / Trans cooler / long tube headers. therefore the bottom radiator line is the inlettop radiator is the outlet ( return flow to trans. Now to my question. Help please. So, which is the better option? There are pros and cons to both choices. Street Rod T350 Transmission and Converter Combo - Rated up to 400 HP Turbo 350 Transmission Cooler Line Diagram View Turbo 350 (TH350) transmission cooler line diagrams and cooler flow path that route to the radiator and to an external transmission cooler. PTFE hoses and AN6 hose end fittings transmission rebuild kit. If you haven't started using NiCop over steel, you are missing out. Mar 12, 2024 · C3 General - Transmission oil cooler lines - OkI'm hoping someone can put my mind at ease. Oct 30, 2008 · I had an older C6 in my buggy with the 1/4" fittings at the trans for the cooler and when it broke, I put a newer C6 with a 3/8" fittings, and with all the same cooler set up (3/8"), I noticed a drop in the temperature (about 5-10°). My radiator trans cooler is named outlet drivers side, inlet passenger side. Needing to buy some hose to plumb my tranny cooler lines. TH350 Fitting Location - Flow Direction Upper - Return/in (Blue Line) Lower - Feed/out (Red Line) I've always ran my "Out" line of the transmission into the lower port of the radiator (and/or auxiliary) trans cooler. Cooling line kits are also available. Kickdowns are controlled by the detent cable. Regularly inspect for leaks or blockages in the cooler lines and replace worn hoses to sustain optimal Oct 27, 2022 · Amazon. Is any of the marked bolts able to go out and fit a sensor? Mar 13, 2023 · Stacked plate transmission coolers are the most efficient and effective type of cooler. Super Pumps The Super Pump and stator are CNC-machined from billet aluminum for precision and durability. Later models were equipped with TCC and designated as THM 350C. However, flow checking and flushing the cooler with DEXRON (R) VI automatic transmission fluid is an acceptable service procedure. The outlet is the top port returning cooled fluid to the transmission. I'm trying to decide whether to go with one that has an internal trans cooler or not. I have always plumbed my auxiliary cooler first and then come back into the top of the radiator and then back out to the transmission from the bottom of the radiator. With brazed, turbulator-equipped airway tubes passing through the lower section of the transmission pan for more efficient cooling, each is individually pressure tested to ensure a leak-free pan. I know from a Th200 to a Th350, the lines need swapped for it to work right. More than such an amount for your TH350 capacity will cause the fluid to spill out of the vent since the pump won’t move it anyplace if the engine isn’t operating. Aug 10, 2022 · Transmission cooling line fits most transmission coolers, like 4L60 700R4 TH350 TH400 etc. Operating in reverse @ wot with a modulator it can go as high as 175. Or for aftermarket transmission coolers. Jul 26, 2012 · I have a GM TH 350 in my 30 Ford Roadster. Retail price $132. Mar 20, 2017 · That diagram you posted is of a TURBOGLIDE transmission (of all diagrams to pick from???), and the cooling ports are a little different than those on a TH350 trans. On the right (passenger side) of the Turbo 350, are the in and out lines to the radiator cooler. I've looked on all different Feb 7, 2023 · How much fluid does a turbo 350 transmission hold? Normally, you will need at least 4 quarts of fluids for a brand-new TH350 transmission to run in an appropriate if it goes with OEM stock pans and the converter is full. 10-12 qt. 0 cooler upgrade but in all the different posts I read, I can't seem to find info on the flow path of the lines. Firstly, the reasons for this is that if the transmission fluid is hot, it will be cooled more quickly and efficiently by the radiator. Dec 10, 2021 · That's how I remember the Turbo 350 Trans lines. Jan 10, 2016 · Hey all, I did the 6. 6K views 6 replies 5 participants last post by notatoy Feb 20, 2014 T Aug 28, 2024 · I want to route it from the transmission to the radiator then to the thermostat and axillary cooler, and then back to the the transmission. Oct 30, 2022 · Read More About Turbo 350 Transmission Fluid Type How Does a Transmission Fluid Go Through Radiator When it comes to cooling your transmission, you have two main options: an external transmission cooler or a radiator. line and started the engine and fluid started pumping out from my th400so the bottom radiator plug is the return flow of fluid from the trans. Thinking of junking the cooler on the radiator eventually, but for now i would like to use both. Derale's TH350 Transmission Cooling Pan #14200 uses air passing beneath the vehicle and redirects it to help lower transmission oil temperatures. I'm trying to figure out which line goes to which connection point on the Mar 16, 2013 · Turbo 400 cooler line connection. I really need to monitor trans oil temperature in some races and i would like to fit a sensor (the best would be 1/8 NPT thread) somewhere into the transmission or at the beginning of the oil line to the cooler. Mar 28, 2022 · Please advise typical cooler line pressures for TH350 w/full manual valve body. The low-profile design of these coolers gives you multiple mounting options that tube/fin-style coolers cannot. Find detailed diagrams and explanations of the components and their functions. This model was in production only for five years from 1979 to 1984. This design provides a large surface area for the heat to dissipate, making it very efficient. Can I get confirmation of the arrangement at the radiator for both coolant and transmission fluid? Transmission fluid: In bottom of radiator and out the top????? Coolant: In Top of Radiator and out bottom????? All correct, including the weekend part. The correct installation and maintenance of these lines, along with the use of appropriate fittings, play a significant role in the transmission’s overall performance and longevity. I removed & eliminated the hard lines (they broke), instead of View Turbo 350 (TH350) transmission cooler line diagrams and cooler flow path that route to the radiator and to an external transmission cooler. The 1967 - 1972 Chevrolet & GMC Pickups Message Board Aug 28, 2019 · Based on advice, the consensus is to run transmission coolers in a series, from pressure outlet of transmission through radiator first and then through an auxiliary cooler before going back to transmission. We also diagnose and fix my sloppy shifting Oct 6, 2014 · The Vibe's/Wave's/Aveo's transmission has a transmission oil requirement that is slightly different from DEXRON (R) VI ATF. That Dec 29, 2016 · Technical transmission oil cooler fitting th350 Discussion in ' Traditional Hot Rods ' started by WP38, Dec 29, 2016. Shift delay, line pressure control, and shift feel are all controlled by the vacuum modulator. So- OUT the bottom, IN the top. I had a trans cooler mounted in front of the radiator. The annotations read the upper/forward port "Cooler oil from radiator" while the lower port is "Cooler oil to radiator". The radiator has connections (at the top and bottom) for connecting the oil cooler lines from the transmission. It has a copper sealing ring on it. I'm needing clarification on Sep 27, 2020 · C3 Tech/Performance - Th350 radiator cooler line directions - Hi. I am going to add another OEM cooler above the current one and I want my fluid to flow down from the top cooler to the bottom cooler and then back to the trans. Jan 23, 2008 · I know I should know but !! On the 350 trans is the top port on the side of the trans where the cooling lines screw in the pressure port outlet, or is it the bottom conection ?? and does that top line go to the top of the radiator or bottom ?? Jun 16, 2008 · Which line is the outgoing line to the tranny cooler on a TH350, the upper or lower port?? View Turbo 350 (TH350) transmission cooler line diagrams and cooler flow path that route to the radiator and to an external transmission cooler. I am getting confiding info on the outlet and inlet ports on a TH350. Mar 16, 2012 · Hello, I am having a word association problem regarding the trans cooler lines on my 283 turbo 350 stock radiator. Understanding the TH350 Turbo 350 transmission diagram is essential for diagnosing and repairing any issues with this classic automatic transmission. It is in back of a 283 SBC. On a race trans with fixed line pressure it is typically 80 to 120 psi. In conclusion, understanding the cooler line connections on a Turbo 350 transmission is crucial for maintaining proper fluid flow and preventing overheating. Re-engineered lubrication circuits allow for increased flow volume in all critical areas. Jan 13, 2016 · C3 Tech/Performance - Turbo 350, 2 questions - I was under the project car I am putting back together, 2 questions on the Turbo 350 Transmission. Ensure hoses are correctly connected to maintain proper fluid flow and prevent overheating. With the modulator between 60 and 120. The top one is the send line. Gauge Sep 16, 2014 · Can anyone tell me the direction of flow thru the trans. Mine is 70 psi in all positions, cold, at 1000-1500RPM sitting still. Shop Now at the Guaranteed Lowest Price! Oct 30, 2019 · Hope this question belongs here (since its about cooling) and not the Transmission thread. Apr 15, 2008 · Anybody out there running a stand alone trans cooler, any problems? Man, I cant decide what to do. Transmission fittings are designed to replace OEM adapters in TH350, TH400, 700R4 and other applications that utilize 1/4″ NPSM threads. Read More Sep 23, 2006 · Which is the output line and return line on a turbo 350? The two lines are stacked on top of one another on the tranny body. My trans book says the th350 upper fitting is the return line. s depending on converter size (8,9,10,12") cooler size, and/or pan depth. Does the Mar 29, 2018 · Get the Best Performance with JEGS Automatic Transmission Cooler Line Kit for GM TH350/TH400/700R4 113601K parts at JEGS. Also fit for Transmission TH350, TH400, 4L60E, 4L80E, 700R4, 200-4R, TR6060, Ford AOD 4R100, 4R70W, and C5. Oct 6, 2015 · Transmission lines - which goes where? The 1967 - 1972 Chevrolet & GMC Pickups Message Board Feb 18, 2014 · Routing TH350 cooling lines with headers headers th350 trans cooler lines Jump to Latest 9. An example of how the PR valve controls converter/lube oil can be seen in the graph (Figure 4) showing line pressure and cooler flow during a shift. Read More Sep 26, 2012 · TH 350 gurus, i need your help, while i was working on the fluid cooler lines, i didn't remember what was the cooler feed oil/out for the cooler so i started up the engine to see from where the fluid is supposed to come out , ATF was coming out from both lines!, way more from the lower port Jan 13, 2010 · SO - OK - I am all good with the TH350/400 flow and inlet (top) /outlet (bottom). Im running an external cooler after my lines go into the radiator to cool the fluid first. View Turbo 350 (TH350) transmission cooler line diagrams and cooler flow path that route to the radiator and to an external transmission cooler. Jan 14, 2023 · Getting ready to install a new 383 engine and my old Hughes transmission. Explore the Turbo 350 transmission parts diagram with detailed illustrations and explanations, highlighting key components for better understanding and repair. One is low and the other above it. ) Nov 15, 2014 · Kind of confused on cooler line routing. 1. Also fit for Transmission TH350, TH400, 4L60E, 4L80E, 700R4, 200-4R, TR6060, Ford AOD 4R100, 4R70W, and C5 Mar 3, 2020 · On a GM Turbo 350 transmission the bottom line is the return line and the one to install a transmission cooler on. What I'm doing is changing out my old copper/brass radiator for an aluminum one. Fits Coolers (# 99146 10 row) and (# 99148 16 row) Feb 2, 2018 · 4l60e cooler line flow The 1967 - 1972 Chevrolet & GMC Pickups Message Board Sep 28, 2006 · I think my tranny cooler lines (on a TH350) are switched. The only reason I ask if because I have an in line filter installed from the previous owner. I believe this helps to force any trapped air out of the trans cooling system. Thanks in advance! Car: 1981 Chevy MC, TH350, V8 Explore a detailed diagram of the 350 Turbo transmission, including its components and function for better understanding and maintenance. What type of transmission coolant lines are you guys using? Hard, steel braided or rubber? I recently added a trans cooler because my radiator was full of brown bubbling rust, which I also replaced. See full list on transmissioncar. A new th350 tranny/converter combo will hold approx. #99128 Transmission Cooler Line Kit, GM TH350 Fittings and -6 AN Lines. I just finished getting my transmission rebuilt (th350) monster transmission I also replaced my original radiator with aluminum radiator (american eagle 2 row 1 ) about 2 years ago. Jan 21, 2022 · I have a 68 C10, 4L60 trans with a SBC motor & a 4 core radiator. Keep Your Transmission Running Cool These JEGS Dual Pass Transmission Coolers with heat sink design are precision machined extruded aluminum, welded billet aluminum end caps, and are available for virtually every application. Trans Basic Operation: The THM 350 is a RWD 3 speed unit. Nov 8, 2020 · C3 Tech/Performance - Removing Trans cooler lines from TH350 - Hey CF, The engine / tranny pull has gone pretty well up until I got to these trans cooler lines on the passenger side of the Th350. Also consider how many miles you're gonna put on the thingif you don't drive it much, then it's kind of silly to go to much trouble to make sure that your TH350 (cheapest transmission there is) lives for 200k miles May 24, 2010 · Hello, Can someone please advise me on how to run transmission coolant lines for the TH350 on my 23T? What fittings do I use? How do I plumb the radiator overflow tank? Some pics will definitely help :) Apologize if I've mixed up the topics, but I'm assuming they all come under cooling Nov 12, 2021 · Hi people. An external transmission cooler is typically less expensive than a radiator, but it can be more difficult On a Chevy Turbo 350, the cooling line inlet is typically the bottom port where hot transmission fluid exits to the cooler. So the guy at the local performance parts store suggested I use a 6an to 1/4 npt straight thread fitting into the transmission. The tranny needs to be at temp with motor running and on level ground to check level is why I ask the above. The hard Front Pumps Our standard transmission front pumps are fully blueprinted and assembled with high performance bushings, seals, and high flow lube circuits. My car has a TH350 transmission. 3 V8 and TH350 transmission. Learn the basics and more. May 4, 2017 · Learn about transmission cooler types, transmission cooler installation tips and more. Package Included: 2 X 7ft AN6 PTFE Hose with Straight Head 2 X AN6 Male to 1/2 x 20 Male Inverted 2 X AN6-1/4 NPT 90 Degree Function: Perfect replacement for your transmission, fix the leaking or the cooling issue Note: This item is a replacement part Th350 installing transmission cooler lines and. Apr 23, 2004 · Just took hose off bottom radiator trans. Which line is pressure (coming outta the trans) Learn about the Chevy Turbo 350 transmission and how it operates with a detailed diagram. Can make the whole section removable if needed, just add another set of unions. Perfect replacement for your transmission, fix the leaking or the cooling issue. 47K subscribers 14 Nov 7, 2009 · Wasn't paying attention and didn't label the trans cooling lines when I removed them:mad: does the line from the top fitting of the radiator go to the top fitting on the transmission, bottom to bottom? Replacing the kinked and leaking steel transmission cooler lines with NiCopp lines. I put plain old steel lines from the cooler fittings on the trans down to where I can easily access them, and install flare unions at that point to make removal easier for starters, headers, the trans, etc. Is this right? does it matter? I've Oct 4, 2022 · Learn about how aftermarket transmission coolers can help keep your transmission cool and the different options available for cooling with our expert guide. They are also very durable and can handle high flow rates. I know there is a thread somewhere on this forum, but I can't find it. Why pay retail ? GM Auto Transmission Coolant Lines Advance Adapters has transmission cooler line replacements or upgrades to keep your cooling system in top condition. I’m looking for info or anyone running a cooler along the frame. These transmission lines are an OEM fit for the GM TH-350, TH400 and 700R4 automatic transmissions used in dozens of vehicles from the 1960s to the 1990s. If you have a higher stall converter, then you might need more transmission cooling. Looking for a diagram of the GM Turbo 350 transmission? Find detailed diagrams and information on the Turbo 350 transmission, including its components and how they work. Which is the in and out ? And on the Sep 25, 2010 · With a stock torque converter, the radiator cooler should do the job. Nov 22, 2010 · The radiator trans cooler only cools the trans fluid to the same temp as the engine coolant. Sep 30, 2005 · Once this critical threshold is crossed and the PR valve is out of balance for any length of time, everything falls apart (the torque converter and/or transmission). I am installing a TH 350 in my 57 behind a 350 ci but I did not get the lines and need to know which lines go to which fittings or does it matter? Radiator is in 6 cyl position. Apr 19, 2024 · 76 Trans Am 455 / Turbo 350 Would a transmission cooler be sufficient in cooling a turbo 350 without running it thru radiator ? Dorman Products - Aftermarket Auto Parts & OE Solutions - 624-650 : Transmission Oil Cooler Bypass Valve. Does it matter? Right now I have the inlet going into the driver Explore a detailed TH350 parts diagram to understand the components and assembly of the TH350 transmission. ly/1TeXSiUGive us a call at 800-708-0087Curt shows the coolant lines on a 700R4 and explains the process of correctly hooking t The GM TH350 transmission is a three-speed automatic transmission used in various General Motors vehicles from the 1960s through the 1980s. Anybody out there have some pictures of how you routed your Trans Lines to the Radiator and/to a External. One thing we have all seen while pressure testing is that slight needle twitch or Oct 10, 2018 · 1964- GM Turbo 350, 700r4, 200r4 Transmission Lines - tubes 1/2-20 Fittings, 4'-2" of rubber hose and the 14" end tubes that most radiators and transmissions. Jan 19, 2025 · Our 2025 transmission cooler buyer's guide provides the most in depth information on transmission cooler brands, types, and more to help you make the most informed decision for your vehicle. Dec 22, 2021 · I bought a bunch of 6AN fittings and hose for new transmission cooler lines. On a trans with vaccuum modulator it constantly varies based on engine load and vehicle speed. Material: Transmission cooler hose material: PTFE lined hose and has a braided stainless and nylon exterior that offer premium strength and flexibility to Sep 15, 2009 · You said you checked it in the morning and it was way high on the fluid level. Mar 9, 2023 · In most cases, the cooler feed line (flowing from the transmission into the cooler) goes to the top of the cooler, while the bottom is the cooler return (flowing from the cooler into the transmission). Understand the inner workings of this popular automatic transmission. . 55 Your cost here is $109. On the radiator, is the top or bottom line the outlet? Getting ready to add an auxiliary trans cooler and plan to feed it from the radiator outlet. Get the knowledge you need to maintain and repair your Turbo 350 transmission. Confused about the fluid flow direction of your 4l60e? These 4l60e transmission cooler line diagram and flow direction images and explanation can help! Dec 26, 2011 · Cooler pressure is a derivative of line pressure and varies depending on what the mainline pressure is. Dec 3, 2010 · I would not use rubber trans cooler lines under the car. Question: Does this transmission require a cooler? There is a tubing loop on the Mar 21, 2022 · On a Turbo 350 transmission you have the upper and lower transmission cooler lines on pass side of the carwhich one is the sender, and which is the return? Nov 17, 2013 · My apologies for asking this question again. cooler. I removed the old flare fittings which looks to be DERALE 14200 TH350 Transmission pan cooler. Understanding the layout and components of the TH350 transmission can help enthusiasts and mechanics diagnose and repair issues more In this video we'll be installing a new Trick Flow aluminum deep transmission pan on my turbo 350 transmission along with a Lubelocker pan gasket, filter, an Transmission Location 30‐40LE Rear 404, 413, 470 Top 41TE, 41AE, (604) Front 42LE Top 42RLE Top 45RFE Bottom 4HP18 (AMC) Usually Water Cooled 500, 518 Rear 545RFE/68RFE Bottom 62TE Closest to the Front of the Transmission 670 Top 727 (TF‐8) Rear 904 (TF‐6, All Ver- Rear sions) 999 (32RH) Rear AR4 (Premier) Usually Water Cooled AS68RC Front AW4 (Jeep) Rear F4A, F3A Series Closest to Oct 22, 2014 · We just updated our "Avalanche" Buggy to LM7 5. Question - do I need a trans cooler on a TH350 or 400 auto tranny? I'm not going MONSTER'S Website: http://bit. A useful guide for repairs and maintenance. On the radiator you have, with a trans fluid tank at the bottom of the radiator, flow direction makes no difference. And bottom line to bottom fitting. Sep 2, 2012 · Trying to finish up my International KB6 on a chevy chassis project. 95. Thanks Jun 12, 2012 · which transmission cooler for a th350 ??? Engine & Drivetrain Dec 2, 2023 · About this item 【Product Detail】-70 inch transmission cooler hose fits for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E. An offshoot version of the Turbo 350, the Turbo 350-C, featured a locking torque converter. Looking to hook up trans cooler lines, and I know the upper port on the trans is the return from radiator (lower port is the feed to the radiator). Sep 15, 2006 · TH400 Trans Cooler Line Location The 1967 - 1972 Chevrolet & GMC Pickups Message Board Apr 3, 2023 · The bottom port on the TH350 is the Outlet from the transmission (HOT), and the top port is the inlet from the cooler (COOL). These will work in early (’96 and earlier) 4L80E transmissions as well. Jul 28, 2009 · Upper trans fitting is the return from the cooler into the tranny, lower trans fitting is the cooler feed from the tranny. ui im gyfy e25 ten8u6jm v3vzf h5uji bht b4rzj pr5scgz